FOS和JUN调节氧化应激和人类阿尔多生成腺瘤中的类固醇生成
Jia Wei1, Eleonora Duregon2, Mauro G Papotti2
1Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany.
Redox biology
|December 18, 2025
概括
激活蛋白-1 (AP-1) 转录因子FOS和JUN将氧化应激与阿尔多生成腺瘤中的类固醇生成联系起来. 它们在上腺皮层中的激活表明它们在原发性阿尔多斯特主义的发病过程中发挥了作用.
科学领域:
- 内分泌学 在内分泌学.
- 分子生物学分子生物学
- 在瘤学瘤学.
背景情况:
- 产生阿尔多斯特的腺瘤 (APA) 会导致原发性阿尔多斯特 (PA).
- 氧化应激和PA中的类固醇生成之间的相互作用尚未完全理解.
- AP-1转录因子可能将这些过程联系在一起.
研究的目的:
- 研究AP-1转录因子 (FOS和JUN) 在PA病变发生中的作用.
- 阐明氧化应激和APA中的类固醇生成之间的机械联系.
- 探索FOS和JUN在上腺皮层中的空间和功能意义.
主要方法:
- 氧化应激暴露细胞的综合RNA测序和人类上腺部分的空间转录组学.
- 在上皮层旁边腺瘤检测化FOS和JUN.
- 在体外实验中评估FOS/JUN对氧化应激反应及其对类固醇生成的影响.
主要成果:
- FOS和JUN的表达和激活在空间上受到限制,与氧化应激相关.
- 酸化的FOS和JUN在上腺皮层附近的功能性腺瘤中发现.
- 氧化应激调节FOS和JUN;它们的共同过度表达抑制了类固醇基因和激素分泌,同时增加了活性氧物种.
结论:
- FOS和JUN作为关键调解者,将氧化应激与PA中的类固醇生成联系起来.
- 这些转录因子协调了回氧-类固醇生成轴.
- FOS和JUN将上腺皮层的分子变化与瘤功能和微环境联系起来.
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